MAX809MEUR/GH9-T Maxim Integrated, MAX809MEUR/GH9-T Datasheet - Page 7

• Manufacturer Part Number: MAX809MEUR/GH9-T
• Description: Supervisory Circuits
• Manufacturer: Maxim Integrated
• Series: MAX803L, MAX803M, MAX803R, MAX803S, MAX803T, MAX803Z, MAX809J, MAX809L, MAX809M, MAX809R, MAX809S, MAX809T, MAX809Z, MAX810L, MAX810M, MAX810R, MAX810S, MAX810T, MAX810Zr

Specifications of MAX809MEUR/GH9-T

• Number Of Voltages Monitored: 1
• Monitored Voltage: 2.5 V, 3 V, 3.3 V, 5 V
• Output Type: Active Low, Push-Pull
• Manual Reset: Not Resettable
• Watchdog: No Watchdog
• Battery Backup Switching: No Backup
• Power-up Reset Delay (typ): 240 ms
• Supply Voltage - Max: 5.5 V
• Chip Enable Signals: No
• Maximum Power Dissipation: 320 mW
• Power Fail Detection: No
• Supply Voltage - Min: 1.2 V

below 1V, so does the IC’s ability to sink current at
RESET. Also, with any pullup, RESET will be pulled high
as V
depends on the pullup resistor value and the voltage to
which it is connected.
Most µP supervisor ICs have reset threshold voltages
between 5% and 10% below the value of nominal sup-
ply voltages. This ensures a reset will not occur within
5% of the nominal supply, but will occur when the sup-
ply is 10% below nominal.
When using ICs rated at only the nominal supply ±5%,
this leaves a zone of uncertainty where the supply is
between 5% and 10% low, and where the reset may or
may not be asserted.
The MAX8_ _L/T/Z use highly accurate circuitry to
ensure that reset is asserted close to the 5% limit, and
long before the supply has declined to 10% below
nominal.
Maxim Integrated
CC
decays toward 0. The voltage where this occurs
Benefits of Highly Accurate
3-Pin Microprocessor Reset Circuits
Reset Threshold
MAX803/MAX809/MAX810
For the latest package outline information and land patterns (foot-
prints), go to www.maximintegrated.com/packages. Note that a
“+”, “#”, or “-” in the package code indicates RoHS status only.
Package drawings may show a different suffix character, but the
drawing pertains to the package regardless of RoHS status.
TRANSISTOR COUNT: 275 (SOT23)
PACKAGE TYPE
3 SOT23
3 SC70
PACKAGE CODE
Package Information
380 (SC70)
U3-1
X3-2
Chip Information
DOCUMENT NO.
21-0075
21-0051
7